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PC Power Supply Discussion Troubleshooting and discussion of computer power supplies

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Old 04-06-2016
Kuonirath Kuonirath is offline
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Default What power supply will be best for me?

as this is my first post I would like to welcome all forum users.
Where I was not looking for info about the power supplies are all told that jonnyGURU is the largest info and the best specialists
So I am and wanting to ask about what power power supply needs for such a set 6700k maybe 6600k, gtx 780 classified, intel ssd 520 1x, 2x hdd velociraptor. Graphics card will be replaced as show new pascale / polarisy. I would like to power was a little bit more because I heard that the higher power less wear components of the power supply and is quieter and cooler.
I have, of course, a few suggestions:
Seasonic 660xp2 platinum, super flower leadex 650 platinum, supernova EVGA 650 P2

and now the question Power Supply 650/660 meets these requirements? whether it is better to buy 750 / 760W?
adds that it will be small oc processor and the card.

I know that there are calculators power but to me they overstate the power that is needed

Thank you for your help and greets
PS. sorry for my English

Last edited by Kuonirath; 04-06-2016 at 02:51 PM.
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Old 04-06-2016
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If you don't plan to overclock a good 400W power supply like the be quiet! Straight Power 10 400W will even be enough. And that is a really, really silent PSU.

Can you tell us which case you have and what's available?
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Old 04-06-2016
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when it comes to oc it's probably something I'm doing

writing case you mean a "case" or computer case ?
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Old 04-06-2016
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case = enclosure = chassis
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Old 04-06-2016
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I thought so
CM Cosmos II which need long cables to power the processor
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Yes indeed.

Can you give us a link to the web store you're buying from? That makes it easier for us to advise the best PSU.
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Old 04-06-2016
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In general, the budget I can spend on PSU is 150-200 euro. I buy at a local store in my town and they do not have online sales. Alternatively Polish shops proline.pl, morele.net, komputronik.pl buy where selected power supply is available.
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Look at PSU like the EVGA SuperNOVA G2 550W, Super Flower Leadex Gold 550W, Super Flower Leadex Platinum 550W and Corsair RM550x.

Those are really high-end power supplies and should all be available in Poland for a good price.

If you're looking for a extremely silent PSU, with superb performance and great quality and looks for a good price the Corsair RM550x is probably the best choice for you. It's more silent then the others I mentioned.

For a high-end PC with one high-end single GPU graphics card based on Polaris, Pascal, Maxwell or Caribbean Islands with an overclocked i5 or i7 Haswell, Broadwell, Skylake, Kaby Lake or newer should a high-end 550W PSU like the ones above be perfect.
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Currently the Corsair RM650x has IMO the best value on morele.net (too close to the the RM550x, and better than the EVGA SuperNOVA G2 550), second best is probably the Corsair RM650i, which bests the Super Flower Leadex Gold 650.
Broadly speaking the only reason I see to prefer a 650W unit over a 500-550W one is to exploit a wider fanless operation range (which is also ambient dependant).
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Old 04-06-2016
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what about Seasonic 660xp2? I know that the more expensive but probably also one of the better right?
For me, the power supply is one of the most important parts of the computer so I do not want to save the money
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